Details
A rare late 17th-Century brass ring dial,
signed in stamped letters CHA. PROCTO, the interior engraved with lines of hours with punched numerals, the outer surface with monthly calendar scale, with sliding and rotating cursor (suspension loop lacking) -- 2.1/8in. (5.4cm.) dia.
See Colour Illustration
signed in stamped letters CHA. PROCTO, the interior engraved with lines of hours with punched numerals, the outer surface with monthly calendar scale, with sliding and rotating cursor (suspension loop lacking) -- 2.1/8in. (5.4cm.) dia.
See Colour Illustration